# HANDTOOLS (NONPOWERED)
> MSHA accident `220111440029` · 05/17/2011 · U.S. Silver-Idaho, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Struck by... NEC
- **Occupation:** Motorman, Motor person, Swamper, Switchman, Locomotive operator
- **Activity:** Double jack
- **Injury source:** AXE,HAMMER,SLEDGE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.08 years
## Operator
- **Controller:** U S Silver Corporation
- **Operator:** U.S. Silver-Idaho, Inc.
- **Mine:** [1000082](https://api.ai-analytics.org/mine/1000082)
## Narrative

Employee was using a double jack to beat boulder in Grizzly. He hit the cat walk on back swing, lost his balance, swung down, and double jack struck him in the left knee.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*